LM1894 Texas instruments

LM1894

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LM1894

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Описание

The LM1894 is a stereo noise reduction circuit for use with audio playback systems. The DNR system is non-complementary, meaning it does not require encoded source material. The system is compatible with virtually all prerecorded tapes and FM broadcasts. Psychoacoustic masking, and an adaptive bandwidth scheme allow the DNR to achieve 10 dB of noise reduction. DNR can save circuit board space and cost because of the few additional components required.

Non-Complementary Noise Reduction, “Single Ended”
Low Cost External Components, No Critical Matching
Compatible with All Prerecorded Tapes and FM
10 dB Effective Tape Noise Reduction CCIR/ARM Weighted
Wide Supply Range, 4.5V to 18V
1 Vrms Input Overload

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Gain range (dB)	Fixed -10dB gain
Power supply (typ) (V)	4.5 to 18
Interface type	Analog
Operating temperature range (°C)	0 to 70
Rating	Catalog